$1.9 million for 1991 Aston Martin DB4GT Zagato Sanction II Coupé

The 1991 Aston Martin DB4GT Zagato Sanction II Coupé set a new world record for expensive cars at auction. Only four Aston Martin DB4GT Zagato Sanction IIs was made and it is one of the most respected of the DB series of six-cylinder cars.